IJ

Ivan L. Joy

📍 Topeka, KS: #135 of 292 inventorsTop 50%
🗺 Kansas: #6,307 of 12,005 inventorsTop 55%
Overall (All Time): #3,996,840 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4593569 Ultrasonic transducer unit to locate cracks in rail base — 1986-06-10